Aculus vallis [listed as a valid species even though Aculus vallis is also listed as a junior synonym of Aculus laevigatae]
Hosts: Salix gooddingii
Relationship: The mites form bead galls on leaves, usually with lower surface openings.
Range: CA
Notes: The host occurs in CA, AZ, CO, NM, NV, TX, UT
”- James Amrine: (2019) Amrine Catalog©